Portion of a switch



FIG. 1 is a front side view of a portion of a switch showing my new design;

FIG. 2 is a rear side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a front left perspective view thereof; and,

FIG. 7 is an enlarged sectional view thereof taken along line A—A of FIG. 1.

A bottom view of the portion of a switch is omitted as it is symmetric in appearance to the top plan view of FIG. 5.

The broken line showings of FIGS. 1-7 are environmental only and not part of the claimed design.

The dashed-dotted line showing of FIGS. 1 and 6 illustrate a boundary between the claimed design and environmental features and forms no part of the claimed design. 

The ornamental design for a portion of a switch, as shown and described. 